/*
  HomepageInfo.css — Endfield Knowledge Section
  ══════════════════════════════════════════════════════════════════
  CINEMATIC OVERHAUL — Aggressive display type, loud hierarchy,
  asymmetric layouts, and full game-UI energy.
  ══════════════════════════════════════════════════════════════════
*/

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Share+Tech+Mono&family=Barlow:wght@300;400;500&family=Barlow+Condensed:wght@400;600;700;900&display=swap');

/* ── KEYFRAMES ────────────────────────────────────────────────── */
@keyframes ei-blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

@keyframes ei-title-glitch {
    0%, 88%, 100% { transform: skewX(0deg); text-shadow: 4px 0 0 rgba(0,229,192,0.0), -4px 0 0 rgba(255,60,60,0.0); }
    89%  { transform: skewX(-2deg); text-shadow: 5px 0 0 rgba(0,229,192,0.5), -5px 0 0 rgba(255,60,60,0.4); }
    90%  { transform: skewX(1.5deg); text-shadow: -4px 0 0 rgba(0,229,192,0.4), 4px 0 0 rgba(255,60,60,0.3); }
    91%  { transform: skewX(0deg); text-shadow: 4px 0 0 rgba(0,229,192,0.0), -4px 0 0 rgba(255,60,60,0.0); }
}

@keyframes ei-panel-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes ei-number-flicker {
    0%, 92%, 100% { opacity: 1; }
    94%  { opacity: 0.3; }
    96%  { opacity: 0.9; }
}

@keyframes ei-dot-pulse {
    0%, 100% { box-shadow: 0 0 0 0 currentColor; opacity: 1; }
    50%       { box-shadow: 0 0 0 5px transparent; opacity: 0.7; }
}

/* ── ROOT SECTION ─────────────────────────────────────────────── */
#endfield-info {
    background: #060608;
    color: #b8b8b8;
    font-family: 'Barlow', sans-serif;
    overflow: hidden;
    position: relative;

    --ei-teal:        #00e5c0;
    --ei-teal-dim:    rgba(0, 229, 192, 0.08);
    --ei-teal-glow:   rgba(0, 229, 192, 0.3);
    --ei-teal-border: rgba(0, 229, 192, 0.35);
    --ei-red:         #ff3c3c;
    --ei-amber:       #f9a825;
    --ei-gray:        #585860;
    --ei-border:      0.5px solid rgba(255,255,255,0.09);
    --ei-font-display: 'Oswald', sans-serif;
    --ei-font-mono:    'Share Tech Mono', 'Courier New', monospace;
    --ei-font-cond:    'Barlow Condensed', sans-serif;
}

/* Grid bg with double-line crosshatch */
#endfield-info::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse 100% 50% at 50% 0%, rgba(0,229,192,0.055) 0%, transparent 55%),
        linear-gradient(rgba(0,229,192,0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,192,0.022) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.006) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.006) 1px, transparent 1px);
    background-size: 100% 100%, 80px 80px, 80px 80px, 20px 20px, 20px 20px;
    pointer-events: none;
    z-index: 0;
}

/* CRT scanlines */
#endfield-info::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0,0,0,0.07) 3px,
        rgba(0,0,0,0.07) 4px
    );
    pointer-events: none;
    z-index: 3;
}

#endfield-info > * { position: relative; z-index: 2; }

/* ── SECTION HEADER & VIDEO BACKGROUND ────────────────────────── */
.ei-section-header {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 450px; 
    padding: 60px 6%;
    border-bottom: var(--ei-border);
    overflow: hidden; 
}

.ei-section-header::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--ei-teal), rgba(0,229,192,0.1));
    box-shadow: 0 0 24px rgba(0,229,192,0.4);
    z-index: 3;
}

.ei-section-header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 0.5px;
    background: linear-gradient(to right, var(--ei-teal) 0%, rgba(0,229,192,0.1) 30%, transparent 70%);
    z-index: 3;
}

/* The wrapper that positions the video on the right and applies the fade */
.ei-video-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 65%; 
    height: 100%;
    z-index: 1;
    pointer-events: none; 
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 40%);
    mask-image: linear-gradient(to right, transparent 0%, black 40%);
    opacity: 0.8; 
}

/* ═══════════════════════════════════════════════
   TACTICAL FEED CONTROL BUTTON
═══════════════════════════════════════════════ */
.ei-video-toggle {
    margin-top: 20px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(135, 135, 135, 0.4);
    color: rgba(135, 135, 135, 0.8);
    font-family: 'HarmonyOS Sans Regular', sans-serif !important;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.18em;
    padding: 8px 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    /* Clean angled geometric cut matching Endfield architecture */
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
    user-select: none;
}

.ei-video-toggle:hover {
    border-color: #ffffff;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

/* Alert Warning State when Feed is frozen */
.ei-video-toggle.paused {
    border-color: #ff8c42;
    color: #ff8c42;
    background: rgba(255, 140, 66, 0.08);
    box-shadow: 0 0 10px rgba(255, 140, 66, 0.15);
}

.ei-video-toggle .status-icon {
    font-size: 7px;
    line-height: 1;
}

/* Forces the YouTube video to fill the space without black bars */
.ei-video-bg iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 250%; 
    height: 250%; 
    transform: translate(-50%, -50%);
}

.ei-header-content {
    position: relative;
    z-index: 2;
    width: 55%; 
    display: flex;
    flex-direction: column;
}

.ei-section-label {
    font-family: var(--ei-font-mono);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--ei-teal);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.ei-section-label::before {
    content: '▸';
    font-size: 10px;
    animation: ei-blink 1.2s step-end infinite;
}

.ei-section-label::after {
    content: '';
    flex: 1;
    height: 0.5px;
    background: linear-gradient(to right, rgba(0,229,192,0.35), transparent);
    max-width: 200px;
}

.ei-section-title {
    font-family: var(--ei-font-display);
    font-size: clamp(72px, 12vw, 160px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -3px;
    color: #ffffff;
    line-height: 0.85;
    padding-bottom: 36px;
    animation: ei-title-glitch 11s ease-in-out infinite;
    position: relative;
}

/* Outlined ghost title stacked behind */
.ei-section-title::before {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    -webkit-text-stroke: 1px rgba(0,229,192,0.15);
    color: transparent;
    transform: translate(4px, 4px);
    pointer-events: none;
    z-index: -1;
}

.ei-section-sub {
    font-family: var(--ei-font-mono);
    font-size: 11px;
    color: var(--ei-gray);
    max-width: 560px;
    line-height: 1.8;
    padding: 20px 0 0px;
    border-top: var(--ei-border);
}


/* ── TABS NAV ─────────────────────────────────────────────────── */
.ei-tabs-nav {
    display: flex;
    flex-direction: nowrap !important;
    border-bottom: var(--ei-border);
    overflow-x: auto !important;
    scrollbar-width: none;
    background: rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    -webkit-overflow-scrolling: touch;
}

.ei-tabs-nav::-webkit-scrollbar { display: none; }

.ei-tab-btn {
    flex-shrink: 0;
    padding: 0 28px;
    height: 52px;
    font-family: var(--ei-font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(140, 140, 150, 0.55);
    cursor: pointer;
    border: none;
    background: transparent;
    border-right: var(--ei-border);
    transition: color 0.2s, background 0.2s;
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ei-tab-btn:hover { color: #e0e0e0; background: rgba(255,255,255,0.03); }

.ei-tab-btn.active {
    color: #ffffff;
    background: rgba(0,229,192,0.07);
}

.ei-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: var(--ei-teal);
    box-shadow: 0 0 12px rgba(0,229,192,0.6);
}

/* ── TAB PANELS ───────────────────────────────────────────────── */
.ei-tab-panel { display: none; }
.ei-tab-panel.active {
    display: block;
    animation: ei-panel-in 0.3s ease both;
}

/* ── CLASSES PANEL ────────────────────────────────────────────── */
.ei-classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.ei-class-card {
    border-right: var(--ei-border);
    border-bottom: var(--ei-border);
    padding: 40px 36px;
    transition: background 0.3s;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.ei-class-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px;
    height: 0%;
    background: var(--ei-teal);
    box-shadow: 0 0 10px rgba(0,229,192,0.5);
    transition: height 0.4s ease;
}

.ei-class-card:hover { background: rgba(0,229,192,0.03); }
.ei-class-card:hover::after { height: 100%; }

.ei-class-card-header {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 20px;
}

.ei-class-icon {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(0,229,192,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ei-font-mono);
    font-size: 10px;
    color: var(--ei-teal);
    flex-shrink: 0;
    background: rgba(0,229,192,0.05);
    clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
    transition: background 0.3s, box-shadow 0.3s;
}

.ei-class-card:hover .ei-class-icon {
    background: rgba(0,229,192,0.12);
    box-shadow: 0 0 16px rgba(0,229,192,0.2);
}

.ei-class-name {
    font-family: var(--ei-font-display);
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #ffffff;
    line-height: 1;
    transition: letter-spacing 0.3s;
}

.ei-class-card:hover .ei-class-name { letter-spacing: 0.1em; }

.ei-class-role {
    font-family: var(--ei-font-mono);
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--ei-teal);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ei-class-role::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 1px;
    background: var(--ei-teal);
}

.ei-class-desc {
    font-size: 13px;
    line-height: 1.8;
    color: var(--ei-gray);
}

.ei-class-operators {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ei-op-tag {
    font-family: var(--ei-font-mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    border: 0.5px solid rgba(255,255,255,0.1);
    color: rgba(140, 140, 150, 0.6);
    text-transform: uppercase;
    transition: all 0.2s;
    clip-path: polygon(5px 0%, 100% 0%, calc(100% - 5px) 100%, 0% 100%);
}

.ei-class-card:hover .ei-op-tag {
    border-color: rgba(0,229,192,0.3);
    color: var(--ei-teal);
    background: rgba(0,229,192,0.06);
}

/* ── ELEMENTS PANEL ───────────────────────────────────────────── */
.ei-elements-wrapper { padding: 56px 6%; }

.ei-elements-intro {
    font-family: var(--ei-font-mono);
    font-size: 11px;
    color: var(--ei-gray);
    line-height: 1.9;
    max-width: 720px;
    margin-bottom: 52px;
    padding-left: 24px;
    border-left: 2px solid var(--ei-teal);
    box-shadow: -4px 0 16px rgba(0,229,192,0.15);
}

.ei-elements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0;
    border: var(--ei-border);
    background: rgba(255,255,255,0.04);
}

.ei-element-card {
    background: #060608;
    padding: 36px 28px;
    transition: background 0.3s;
    cursor: default;
    position: relative;
    overflow: hidden;
    border-right: var(--ei-border);
    border-bottom: var(--ei-border);
}

.ei-element-card:hover { background: rgba(255,255,255,0.02); }

.ei-element-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-bottom: 20px;
    animation: ei-dot-pulse 3s ease-in-out infinite;
}

.ei-element-dot.physical  { color: #c8c8c8; background: #c8c8c8; }
.ei-element-dot.heat      { color: #ff6b35; background: #ff6b35; }
.ei-element-dot.electric  { color: #f9c74f; background: #f9c74f; }
.ei-element-dot.cryo      { color: #4cc9f0; background: #4cc9f0; }
.ei-element-dot.nature    { color: #80b918; background: #80b918; }

.ei-element-name {
    font-family: var(--ei-font-display);
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 6px;
    line-height: 1;
    transition: letter-spacing 0.3s;
}

.ei-element-card:hover .ei-element-name { letter-spacing: 0.08em; }

.ei-element-name.physical  { color: #e8e8e8; }
.ei-element-name.heat      { color: #ff6b35; }
.ei-element-name.electric  { color: #f9c74f; }
.ei-element-name.cryo      { color: #4cc9f0; }
.ei-element-name.nature    { color: #80b918; }

.ei-element-reaction {
    font-family: var(--ei-font-mono);
    font-size: 8px;
    letter-spacing: 0.2em;
    color: var(--ei-gray);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.ei-element-reaction span { color: var(--ei-teal); }

.ei-element-desc {
    font-size: 12px;
    line-height: 1.75;
    color: var(--ei-gray);
}

/* ── REACTIONS PANEL ──────────────────────────────────────────── */
.ei-reactions-wrapper { padding: 56px 6%; }

.ei-reactions-intro {
    font-family: var(--ei-font-mono);
    font-size: 11px;
    color: var(--ei-gray);
    line-height: 1.9;
    max-width: 720px;
    margin-bottom: 52px;
    padding-left: 24px;
    border-left: 2px solid var(--ei-teal);
    box-shadow: -4px 0 16px rgba(0,229,192,0.15);
}

.ei-reactions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0;
    border: var(--ei-border);
    background: rgba(255,255,255,0.04);
    margin-bottom: 2px;
}

.ei-reaction-card {
    background: #060608;
    padding: 36px 32px;
    transition: background 0.3s;
    cursor: default;
    position: relative;
    overflow: hidden;
    border-right: var(--ei-border);
    border-bottom: var(--ei-border);
}

.ei-reaction-card:hover { background: rgba(255,255,255,0.02); }

.ei-reaction-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 20px;
}

.ei-reaction-badge {
    font-family: var(--ei-font-mono);
    font-size: 8px;
    letter-spacing: 0.25em;
    padding: 3px 10px;
    border: 1px solid;
    text-transform: uppercase;
    margin-bottom: 10px;
    clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
}

.ei-reaction-badge.combustion  { color: #ff6b35; border-color: rgba(255,107,53,0.4); background: rgba(255,107,53,0.07); }
.ei-reaction-badge.solidif     { color: #4cc9f0; border-color: rgba(76,201,240,0.4);  background: rgba(76,201,240,0.07); }
.ei-reaction-badge.electrify   { color: #f9c74f; border-color: rgba(249,199,79,0.4);  background: rgba(249,199,79,0.07); }
.ei-reaction-badge.corrosion   { color: #80b918; border-color: rgba(128,185,24,0.4);  background: rgba(128,185,24,0.07); }
.ei-reaction-badge.shatter     { color: #c8c8c8; border-color: rgba(200,200,200,0.4); background: rgba(200,200,200,0.04); }

.ei-reaction-name {
    font-family: var(--ei-font-display);
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #fff;
    line-height: 1;
    transition: letter-spacing 0.3s;
}

.ei-reaction-card:hover .ei-reaction-name { letter-spacing: 0.1em; }

.ei-reaction-trigger {
    font-family: var(--ei-font-mono);
    font-size: 9px;
    letter-spacing: 0.12em;
    color: var(--ei-gray);
    text-transform: uppercase;
    margin: 14px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ei-reaction-trigger::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 0.5px;
    background: var(--ei-gray);
    flex-shrink: 0;
}

.ei-reaction-desc {
    font-size: 12px;
    line-height: 1.75;
    color: var(--ei-gray);
}

.ei-reaction-concepts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: rgba(255,255,255,0.04);
    border: var(--ei-border);
    border-top: none;
}

.ei-concept-block {
    background: #060608;
    padding: 36px 32px;
    border-right: var(--ei-border);
    transition: background 0.3s;
}

.ei-concept-block:last-child { border-right: none; }
.ei-concept-block:hover { background: rgba(255,255,255,0.02); }

.ei-concept-label {
    font-family: var(--ei-font-mono);
    font-size: 9px;
    letter-spacing: 0.25em;
    color: var(--ei-teal);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.ei-concept-title {
    font-family: var(--ei-font-display);
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #fff;
    margin-bottom: 14px;
}

.ei-concept-desc {
    font-size: 12px;
    line-height: 1.75;
    color: var(--ei-gray);
}

/* ── TEAM BUILDING PANEL ──────────────────────────────────────── */
.ei-teams-wrapper { padding: 56px 6%; }

.ei-teams-intro {
    font-family: var(--ei-font-mono);
    font-size: 11px;
    color: var(--ei-gray);
    line-height: 1.9;
    max-width: 720px;
    margin-bottom: 52px;
    padding-left: 24px;
    border-left: 2px solid var(--ei-teal);
    box-shadow: -4px 0 16px rgba(0,229,192,0.15);
}

.ei-team-archetypes {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: var(--ei-border);
}

.ei-archetype-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    background: #060608;
    border-bottom: var(--ei-border);
    transition: background 0.3s;
    position: relative;
    overflow: hidden;
}

.ei-archetype-row:last-child { border-bottom: none; }

.ei-archetype-row::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--ei-teal);
    box-shadow: 0 0 10px rgba(0,229,192,0.5);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
}

.ei-archetype-row:hover { background: rgba(0,229,192,0.025); }
.ei-archetype-row:hover::before { transform: scaleY(1); }

.ei-archetype-label {
    padding: 32px 28px;
    border-right: var(--ei-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
}

.ei-archetype-label-name {
    font-family: var(--ei-font-display);
    font-size: clamp(20px, 2.5vw, 26px);
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
    letter-spacing: 0.06em;
    line-height: 1;
}

.ei-archetype-label-tag {
    font-family: var(--ei-font-mono);
    font-size: 8px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ei-archetype-label-tag::before { content: '▸'; font-size: 8px; }

.ei-archetype-label-tag.heat     { color: #ff6b35; }
.ei-archetype-label-tag.cryo     { color: #4cc9f0; }
.ei-archetype-label-tag.electric { color: #f9c74f; }
.ei-archetype-label-tag.physical { color: #c8c8c8; }
.ei-archetype-label-tag.mixed    { color: var(--ei-teal); }

.ei-archetype-content { padding: 32px 32px; }

.ei-archetype-roles {
    display: flex;
    gap: 28px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.ei-archetype-role {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ei-archetype-role-label {
    font-family: var(--ei-font-mono);
    font-size: 8px;
    letter-spacing: 0.2em;
    color: var(--ei-gray);
    text-transform: uppercase;
}

.ei-archetype-role-value {
    font-family: var(--ei-font-display);
    font-size: 14px;
    font-weight: 500;
    color: #c8c8c8;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ei-archetype-tip {
    font-size: 12px;
    line-height: 1.75;
    color: var(--ei-gray);
}

/* ── GLOSSARY PANEL ───────────────────────────────────────────── */
.ei-glossary-wrapper { padding: 56px 6%; }

.ei-glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0;
    border: var(--ei-border);
    background: rgba(255,255,255,0.04);
}

.ei-glossary-item {
    background: #060608;
    padding: 28px 26px;
    transition: background 0.25s;
    cursor: default;
    border-right: var(--ei-border);
    border-bottom: var(--ei-border);
    position: relative;
}

.ei-glossary-item:hover { background: rgba(0,229,192,0.03); }

.ei-glossary-term {
    font-family: var(--ei-font-display);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: #ffffff;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ei-glossary-term::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--ei-teal);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(0,229,192,0.6);
    flex-shrink: 0;
}

.ei-glossary-def {
    font-size: 12px;
    line-height: 1.75;
    color: var(--ei-gray);
}

/* ── SECTION BOTTOM BAR ───────────────────────────────────────── */
.ei-bottom-bar {
    border-top: var(--ei-border);
    padding: 20px 6%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--ei-font-mono);
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--ei-gray);
    background: rgba(0,0,0,0.4);
    position: relative;
}

.ei-bottom-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 0.5px;
    background: linear-gradient(to right, var(--ei-teal) 0%, rgba(0,229,192,0.08) 40%, transparent 70%);
}

/* ── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 900px) {
    .ei-about-features { grid-template-columns: 1fr 1fr; }
    .ei-about-hero { grid-template-columns: 1fr; }
    .ei-about-hero-right { border-top: var(--ei-border); border-right: none; }
}

@media (max-width: 768px) {
    .ei-section-header { padding: 48px 5%; min-height: 350px; }
    .ei-header-stats { display: none; }
    .ei-header-content { width: 100%; }
    .ei-video-bg { width: 100%; -webkit-mask-image: none; mask-image: none; opacity: 0.4; }
    .ei-section-title { font-size: clamp(52px, 14vw, 88px); padding-bottom: 24px; }
    .ei-classes-grid { grid-template-columns: 1fr; }
    .ei-elements-grid { grid-template-columns: 1fr 1fr; }
    .ei-reaction-concepts { grid-template-columns: 1fr; }
    .ei-archetype-row { grid-template-columns: 1fr; }
    .ei-archetype-label { border-right: none; border-bottom: var(--ei-border); }
    .ei-tab-btn { padding: 0 16px; height: 46px; font-size: 12px; }
    .ei-elements-wrapper,
    .ei-reactions-wrapper,
    .ei-teams-wrapper,
    .ei-glossary-wrapper { padding: 36px 5%; }
}

@media (max-width: 480px) {
    .ei-elements-grid { grid-template-columns: 1fr; }
    .ei-reaction-concepts { grid-template-columns: 1fr; }
    .ei-glossary-grid { grid-template-columns: 1fr; }
}

.ei-elements-wrapper,
.ei-reactions-wrapper,
.ei-teams-wrapper,
.ei-glossary-wrapper { 
    padding: clamp(30px, 5vh, 56px) 6%;
}